$ ./FFTools/mkupdate/mkupdate.sh update
TARGET_PRODUCT=rk3399_firefly_box
Android Firmware Package Tool v1.62
------ PACKAGE ------
Add file: ./package-file
Add file: ./Image/MiniLoaderAll.bin
Add file: ./Image/parameter.txt
Add file: ./Image/trust.img
Add file: ./Image/uboot.img
Add file: ./Image/misc.img
Add file: ./Image/resource.img
Add file: ./Image/kernel.img
Add file: ./Image/boot.img
Error: open file failed,err=2!
------ FAILED ------